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301 bytes added ,  00:59, 23 December 2009
if things have magic numbers, let's use them to describe them instead of their sizes kthx :)
Line 26: Line 26:       −
= B4 block =  
+
= TNA4 block (header?) =  
 
  0000000: 34 41 4e 54 31 30 00 01 74 e9 2c 1e 24 00 00 00  4ANT10..t.,.$...
 
  0000000: 34 41 4e 54 31 30 00 01 74 e9 2c 1e 24 00 00 00  4ANT10..t.,.$...
 
  0000010: d6 e0 39 c3 98 3f 06 b6 9a b2 9d 14 e7 06 e9 00  ..9..?..........
 
  0000010: d6 e0 39 c3 98 3f 06 b6 9a b2 9d 14 e7 06 e9 00  ..9..?..........
Line 50: Line 50:  
| 0x00
 
| 0x00
 
| 4
 
| 4
| Always 0x544E4134
+
| Always 0x544E4134 ('TNA4', endian-swapped)
 
|-
 
|-
 
| 0x04
 
| 0x04
 
| 2
 
| 2
| Unknown
+
| Unknown ('10') -- maker code?
 
|-
 
|-
 
| 0x06
 
| 0x06
Line 89: Line 89:  
|}
 
|}
   −
= 440 block =
+
= Certificate block =
    
  0000000: d6 f3 24 7c a1 0f 4a dc cd 07 34 d6 ce 62 32 93  ..$|..J...4..b2.
 
  0000000: d6 f3 24 7c a1 0f 4a dc cd 07 34 d6 ce 62 32 93  ..$|..J...4..b2.
Line 160: Line 160:  
  0000430: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
 
  0000430: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
   −
It is assumed that this block contains an ECC signature, aswell as the console id and serial of the DSi that exported the file.
+
It is assumed that this block contains an ECC signature, aswell as the console id and serial of the DSi that exported the file, as part of a Nintendo cert.  Much like the Wii, the DSi carries with it a private ECC key that it can use to sign things, and a certificate signed by Nintendo that attests to the fact that the public ECC key belongs to a genuine DSi.

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